Manufacturing Processes I Practice Test 3

1. The continuous chips are in the form of long coils having the same thickness throughout.

2. Tool life is generally better when

3. What will be the value of half taper angle in degrees if diameter of big end is 500mm and diameter of small end is 60mm for a 1m long job?

4. ___________ improves toughness, wear resistance, and high temperature strength.

5. What will be the value of diameter of big end in mm for tapered job if diameter of small end and length of job is 60mm and 1m respectively? Given half taper angle is equal to 12.4 degrees.

6. The tool life is said to be over if

7. In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face is called

8. Ceramic tools are fixed to a tool body by ___________

9. What will be the value of half taper angle in degrees if diameter of big end is 100mm and diameter of small end is 60mm for a 1m long job?

10. A job of total length 800mm is tapered turned on lathe using tailstock set over method. The two diameters obtained are 450mm and 500mm and length of taper was 700mm only. Tail stock set over is equal to